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  • Shopping - Best Prices On The QSC ISA800TI Amplifier - 2400 W RMS - Big Bruin
    …pass Filters Protect Speakers And Prevent Speaker Transformer Saturation With Minimal Effect … Maximum Cooling On DemandRear- to -front Air Flow Keeps … Warrantyintiin Model Features:25, 70 , 100 Volt , And Low-impedance Outputs … Mode, Both Channels Driven 8 Ohms 20 Hz-20 Khz…
  • A 60-cm multi-channel system employing pulse-phase modulation
    The i.f. amplifier, consisting of six double-tuned transformer - coupled stages, has a bandwidth of 1 • 8 Mc/s between 6-db points, centred at 45 Mc/s. .... between pulses and which drives a cathode-follower output stage having an output impedance of 100 ohms . .... At full gain, the limiting output of 3-5 volts peak across a 100-ohm external load is reached … r.f.-input level of — 117 db referred to 1 watt (corresponding to … open circuit from a 70 -ohm impedance), theoretical thermal…
  • RF Circuit Design 2nd Edition Complete Document
    …– 471 with one frequency signal, 453 – 455 nonlinearity of the device, 15 – 16 normalized resistances, 65 – 66 N-well guard ring, 409 – 410 Ohm ’s law, 209, 219 … in series, 69 – 70 one part in parallel … noise from the input of, 763 – 764 power delivered from a source to a load, 23 … size, 815 size of PA block, 804 – 808 specifications, 799 toroidal RF transformer balun, 817 – … insertion of, 73 resistor RS in series, insertion of, 73 resonant oscillator, 757 return loss in dB, 485 return loss RL testing, 62 – 63 RF back end, 8 RF baluns, 548 RF … design conversion between Watts, Volts , and dBm in a…
  • SNAP 21-B PROGRAM: DEEP SEA RADIOISOTOPE-FUELED THERMOELECTRIC GENERATOR POWER SUPPLY SYSTEM. Quarterly Report No. 3, October 1, 1964--December 31, 1964.
    4 inches N/A ohms 10, 2 inches Germanium / silicon 50%Ni-Fe. .... A- 8 . .... s) Output current(s) Input power Input voltage Input current % watt(e) volts amps watt(e .... Oscillating frequency Operating temperature Voltage regulation Transistor losses Ripple (peak to peak) Transformer losses *3-wire input sealed in an aluminum enclosure N/A 10.1 24.0 0.421 13,8 N/A N/A. .... 250 cps 70 ° F ± ± 3.0% 5°F .
  • The p-n-p-n diode as a cross-point for electronic telephone exchanges
    A transformer in the line circuit is necessary to convert from a balanced to an unbalanced connection. .... The maximum speech power transmitted over the switching path may vary from 20- 8 to 53mW with a Zener voltage of 6-5 ± 1-5 volts . .... Section 10.3 shows that if the attenuation between two 600- ohm speech circuits is to be greater than 70 dB: (a) The common-earth impedance must be less than 0 • 38 ohm.
  • The use of a simple a.c. potentiometer for the precision testing of instrument transformers
    The compensating ampere-turns were then increased by 0 01% of the secondary ampere-turns, and the resulting e.m.f. in the galvanometer cir- cuit, measured on the potentiometer, was found to be 70 milli- volts . .... (5) THE STANDARD TRANSFORMER The methods of testing which have been discussed require standard transformers with the … transformer, with a 5/5 ratio, whose primary winding can be rearranged without alteration to the errors, to .... The core is of Mumetal, 10 cm outside diameter, 8 cm inside diameter and 7-5 cm … has 200 turns of 7/-036 d.c.c. wire with a resistance of 0-183 ohm .
  • Correspondence
    Some experimental results for the 250- watt dc output supplies working into a re- sistive load of 70 ohms , with nominal filter- ing, and operating in an ambient of 25°C are listed in Table I. .... The results show that the circuit em- ploying the Deltamax transformer is su- perior both from the .... Operation with the recommended maxi- mum input voltage of 28 volts for these transistors and slight redesign of transformer can lead to power outputs of approximately 300 watts at optimum load. .... 8 .
  • Validation of EMP bounds
    (75) The exterior resonance results in a spectral amplitude approximately 8 times the level 2Ein, (and Figure 11 shows that the step response of the electric field rises to approximately 8.3Ein,, but the third time harmonic resonance is only 2.9E;,,). .... Finally, the slot and joint fixtures were fitted with tapered stripline transformers in an attempt to generate .... The transformer has a characteristic impedance near the nominal 2, = 12.5 ohms at the slot to .... Using the peak value of the voltage for the slot fixture ( 70 )we obtain from (76) the .... V M 104.4 volts Using the peak value of the voltage for the joint fixture (73…